@misc{indiciaefe5a41276586,
  title = {Oral progesterone.},
  author = {M Whitehead and G Lane and P Townsend and N Siddle and J Pryse-Davies and R J King},
  year = {1981},
  doi = {10.1136/bmj.282.6274.1476-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/6784875/},
  note = {Source identifier: 6784875}
}